feat: quiz and rbac

migrations/0058_quiz_multi_choice.down.sql

@@ -0,0 +1,5 @@
+ALTER TABLE quiz_answers ADD COLUMN IF NOT EXISTS option_id UUID REFERENCES quiz_options(id) ON DELETE SET NULL;
+-- Lossy for multi answers: keeps the first chosen option only.
+UPDATE quiz_answers SET option_id = option_ids[1] WHERE option_ids IS NOT NULL;
+ALTER TABLE quiz_answers DROP COLUMN IF EXISTS option_ids;
+ALTER TABLE quiz_questions DROP COLUMN IF EXISTS multi;